High-Quality Rack Manifold for Cold-Plate Liquid Cooling Solutions The MDU030S is a single-pipe rack manifold that distributes coolant from the CDU loop to every cold plate in a server rack. Made in a dust-free workshop under MES control, it holds a port position accuracy of ±0.15mm , so quick-connect couplers line up with the rack build without rework. Available in 30x30 / 40x40 / 50x50 mm face sizes and in SUS304 or SUS316L stainless steel, the manifold is gas- and liquid